Through a misunderstanding, Junie B. thinks that her new baby brother is really a baby monkey, and her report of this news creates excitement and trouble in her kindergarten class.

An all-knowing big sister gives her baby sibling lessons in being a baby. Take it from the narrator of this book, an all-knowing big sister: when you're a baby you don't read books. You eat them. You don't know how old you are, or even if you're a boy or a girl. And you have to keep a special plug in your mouth to stop your scream from coming out. But one day, you won't be little anymore, and then you'll be taller and smarter, and actually quite clever....

All Billy wants is a dog of his own, but he gets a baby sister instead.

Baby Lincoln has had enough of her older sister, Eugenia, telling her what to do and sets out on her own on a journey of self-discovery.

"A nature-loving little girl's favorite playmate is her maple tree, until the day she's surprised with a baby sister"-- Provided by publisher.

"It's almost Christmas, and baby simply cannot contain the exuberance. There are things to decorate-a tree, a gingerbread house, a doggy! There are very creative presents to make, Santa to see (must be brave), carols to sing, not to mention the big event itself"--Provided by publisher.

A baby is delighted to experience his very first fart.

Excited by the arrival of a new baby, a family of robots is nearly undone by technical difficulties until big sister steps in and repairs the situation.

A baby finally finds something to do that does not make everyone in the family tell him "No."

A rabbit grandfather welcomes a new grandchild and looks forward to spending time together and sharing many adventures.